Wheel base for medical bed



FIG. 1 is a perspective view of the elevating wheel base for medical bed showing the new design;

FIG. 2 is a front view of the new design;

FIG. 3 is a rear view of the new design;

FIG. 4 is a left view of the new design;

FIG. 5 is a right view of the new design;

FIG. 6 is a top view of the new design; and

FIG. 7 is a bottom view of the new design.

FIG. 8 is another perspective view thereof, but shown with broken line subject matter; and,

FIG. 9 is another perspective view thereof, but shown in an alternate position of use.

The broken lines in FIGS. 8 and 9 illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for the wheel base for medical bed, as shown and described. 